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YouTubeKhan Academy India - English
Sources of light | Middle School Science | Khan Academy
Why does the Moon shine if it’s not a source of light? Why does Earth look like it’s glowing in the famous Pale Blue Dot photo? In this video, we explore the fascinating world of sources of light, and discover the difference between luminous and non-luminous objects. From the blazing Sun and twinkling stars to fireflies, glow sticks, and ...
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